<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>radios</title>
		<style>
			.box1{
				width: 120px;
				height: 120px;
				background-color: red;
				border-radius: 50%;
			}
			.box2{
				width: 120px;
				height: 60px;
				background-color: green;
				border-radius: 120px 120px 0 0;
			}
			.box3{
				width: 60px;
				height: 120px;
				background-color: tan;
				border-radius: 120px 0 0 120px;
			}
			.box4{
				width: 120px;
				height: 120px;
				background-color: cadetblue;
				border-radius: 120px 0 0 0;
			}
			.box5{
				width: 120px;
				height: 120px;
				border-radius: 120px 0 0 0;
				border-top: 6px solid #000099;
			}
			.box6{
				width: 120px;
				height: 120px;
				border-radius: 120px 0 0 0;
				border-left: 6px solid #000099;
			}
			.box7{
				width: 120px;
				height: 120px;
				border-radius: 50%;
				/* background-color: red; */
				border: 6px solid #000099;
			}
			.box8{
				width: 120px;
				height: 140px;
				background-color: antiquewhite;
				border-radius:90px/100px;
			}
			.box9{
				width: 150px;
				height: 100px;
				background: #cccc22;
				border-top-left-radius: 100px 90px;
				border-top-right-radius: 200px 100px;
				border-bottom-left-radius: 100px 90px;
				border-bottom-right-radius: 200px 100px;
			}
			.box10{
				margin-top: 20px;
				width: 0px;
				height: 0px;
				border: 60px solid red;
				/* border-top: 60px solid red;
				border-left: 60px solid red;
				border-bottom: 60px solid red; */
				border-right: 60px solid transparent;
				border-radius: 60px;
			}
			
			/* border-radius: 10px;
			只取一个值,四角居右相同的圆角设置 */
			
			/* border-radius: 5px 30px;
			产设置两个值,先左上右下，再右上左下 */
			
			/* border-radius: 5px 15px 30px;
			设置三个值,先左上,再右下,再右上左下*/
			
			/* border-radius: 5px 15px 30px 50px;
			设置四个值,先左上、再右上,再右下,再左下*/
			
			/* border-radius: 18px / 40px;
			反斜杠,设置一个值,四个角水平半径/垂直半径*/
			
			/* border-radius: 5px 20px / 40px 10px;
			反斜杠，设置团个值，先左上石下，再右上左下水平半径/垂直半径 */
		</style>
	</head>
	<body>
		<div class="box1"></div>
		<div class="box2"></div>
		<div class="box3"></div>
		<div class="box4"></div>
		<div class="box5"></div>
		<div class="box6"></div>
		<div class="box7"></div>
		<div class="box8"></div>
		<div class="box9"></div>
		<div class="box10"></div>
	</body>
</html>
